"He just does not have that energy, is not very alert in terms of, he's tired all the time and he's slept a lot and he's not getting rid of the fatigue," Burkholder said. … "He's just not the Michael Vick that I know when he's healthy."

Furthermore, it looks like Vick might remain sidelined for awhile.

"He has too many symptoms for us to even exercise him," Burkholder said. "He's not even close to playing this week."